Food Microbiology

The Research Publications track research that is published across national and international peer-reviewed journals. The most recent articles are available ahead of print and searchable by Journal Title, Subject, USDA Grant Funding Agencies or FDA Grant Funding Agencies. The research publications are tracked across five subject areas: Bacterial Pathogens, Chemical Contaminants, Natural Toxins, Parasites, and Viruses.

Sun, 05/10/2020 - 03:31
Author(s): Thomas Brauge, Christine Faille, Guylaine Leleu, Catherine Denis, Aurélie Hanin, Graziella Midelet The objectives of this study were 1) to evaluate the impact of two industrial disinfectants on the viability of Listeria monocytogenes populations in biofilm and 2) to investigate the viability state of L. monocytogenes cells present on contact surfaces in the smoked salmon processing...
Fri, 05/08/2020 - 03:32
Author(s): Min-Jin Jeon, Jae-Won Ha In this study, we investigated the antimicrobial activity of the X-ray irradiation and citric acid (CA) combination against Escherichia coli O157:H7 and Listeria monocytogenes on the surface of spinach leaves and elucidated the mechanisms underlying their synergistic interaction. Upon treatment with 0.3 kGy X-ray irradiation and 1% CA combination, the cell...
Thu, 05/07/2020 - 03:30
Author(s): Ursula Gonzales-Barron, Fernanda B. Campagnollo, Donald W. Schaffner, Anderson S. Sant’Ana, Vasco A.P. Cadavez The fate of Listeria monocytogenes during ripening of artisanal Minas semi-hard cheese, as influenced by cheese intrinsic properties and by autochthonous (naturally present) or intentionally-added anti-listerial lactic acid bacteria (LAB) was modeled. Selected LAB strains with...
Sat, 05/02/2020 - 03:29
Author(s): Barbara Szymczak, Mariusz Szymczak, Joanna Trafiałek Poland is one of the largest food producers in Europe, and the West Pomeranian region of Poland is a large producer of RTE food. Thus, the objective of this study was to determine the prevalence of Listeria sp. and L. monocytogenes (LM) in RTE foods manufactured by 13 selected Polish food producers whose processing plants are located...
Tue, 04/28/2020 - 03:30
Author(s): Luigi Iannetti, Maria Schirone, Diana Neri, Pierina Visciano, Vicdalia Acciari, Gabriella Centorotola, Maria Silvia Mangieri, Marina Torresi, Gino Angelo Santarelli, Violeta Di Marzio, Cristina Marfoglia, Giacomo Migliorati, Francesco Pomilio In this study, thirteen batches of broiler chicken from an integrated Italian poultry company were investigated for the detection of Listeria...
Tue, 04/28/2020 - 03:30
Author(s): Mathieu Gand, Wesley Mattheus, Nancy Roosens, Katelijne Dierick, Kathleen Marchal, Sophie Bertrand, Sigrid C.J. De Keersmaecker Humans are mostly contaminated by Salmonella through the consumption of pork- and poultry-derived food products. Therefore, a strict monitoring of Salmonella serotypes in food-producing animals is needed to limit the transmission of the pathogen to humans....
Mon, 04/27/2020 - 03:30
Author(s): Ye Htut Zwe, Seow Fong Chin, Gurjeet Singh Kohli, Kyaw Thu Aung, Liang Yang, Hyun-Gyun Yuk Due to rapidly falling costs, whole genome sequencing (WGS) is becoming an essential tool in the surveillance of antimicrobial resistance (AMR) in Salmonella enterica. Although there have been many recent works evaluating the accuracy of WGS in predicting AMR from a large number of Salmonella...
Sun, 04/19/2020 - 03:29
Author(s): Noora Pernu, Riikka Keto-Timonen, Miia Lindström, Hannu Korkeala Clostridium botulinum is a significant food safety concern due to its ability to produce highly potent neurotoxin and resistant endospores. Vegetarian sausages have become a popular source of plant protein and alternative for meat products. While vegetarian sausages have not been linked to botulism, numerous outbreaks due...
Mon, 04/13/2020 - 03:22
Author(s): Yaying Wang, Xiaoli Hong, Jingcong Liu, Junli Zhu, Jinru Chen Biofilm formation is a frequent source of contamination of food products, which results in significant economic losses through microbial spoilage and poses serious health concerns. Little is known about the fate of Staphylococcus aureus in the dual-species biofilms with Pseudomonas fluorescens an important spoiler commonly...
Sun, 04/12/2020 - 03:22
Author(s): Md Ashrafudoulla, Md Furkanur Rahaman Mizan, Angela Jie-won Ha, Si Hong Park, Sang-Do Ha The objective of this study was to investigate the antibacterial and antibiofilm activity of eugenol against V. parahaemolyticus planktonic and biofilm cells and the involved mechanisms as well. Atime-kill assay, a biofilm formation assay on the surface of crab shells, an assay to determine the...
Sat, 04/11/2020 - 03:22
Author(s): Normanno Giovanni, Caruso Marta, Spinelli Elisa, Fraccalvieri Rosa, Capozzi Loredana, Barlaam Alessandra, Parisi Antonio The aim of the present study was to assess the occurrence of MRSA in buffalo dairy farms and in buffalo tank milk from Italy, and to provide information about the antimicrobial resistance profile and molecular characteristics of the isolates. We collected 75 bulk...
Wed, 04/01/2020 - 03:21
Author(s): Hande Dogruyol, Suhendan Mol, Serap Cosansu Inadequate cooking during sous-vide processing may cause foodborne diseases in case the food is contaminated with pathogens such as Listeria monocytogenes. In this study, thermal inactivation of L. monocytogenes in sous-vide processed salmon was investigated. Oregano oil and citric acid were used alone or in combination to determine the...
Mon, 03/30/2020 - 03:21
Author(s): Costa Jean Carlos Correia Peres, Belén Floriano, Isabel María Bascón Villegas, Juan Pablo Rodríguez-Ruiz, Guiomar Denisse Posada-Izquierdo, Gonzalo Zurera, Fernando Pérez-Rodríguez This study was aimed at characterizing microbiologically Gilthead sea bream (Sparus aurata) and Sea bass (Dicentrarchus labrax) produced in two estuarine ecosystems in Andalusia (Spain): the estuary of the...
Fri, 03/27/2020 - 03:36
Author(s): Carla Barría, Randall S. Singer, Irene Bueno, Erika Estrada, Dácil Rivera, Soledad Ulloa, Jorge Fernandez, Fernando O. Mardones, Andrea I. Moreno-Switt Artisanal cheese from southern Chile is made primarily by rural families who raise dairy cows and produce cheese as a way to add value to their milk. The most common cheese produced is chanco, a semi-hard cheese that is typically sold...
Thu, 03/19/2020 - 03:21
Author(s): Morandi Stefano, Tiziana Silvetti, Vito Vezzini, Elena Morozzo, Milena Brasca This study was aimed to evaluate the effectiveness of two lactic acid bacteria (LAB) cultures (Lactococcus lactis FT27 and Carnobacteroim divergens SCA), lactic acid/sodium lactate (LASL - L-lactic acid 61% (w/w) and L-sodium lactate 21% (w/w)) and their combination against four Listeria monocytogenes...
Sun, 03/08/2020 - 04:21
Author(s): Daniele Chieffi, Francesca Fanelli, Gyu-Sung Cho, Justyna Schubert, Giuseppe Blaiotta, Charles M.A.P. Franz, Jacek Bania, Vincenzina Fusco In this study, 53 Staphylococcus (S.) aureus strains were typed by 16S–23S rDNA intergenic spacer region (ISR) typing and staphylococcal enterotoxin gene (SEg) typing for all the staphylococcal enterotoxin (se) and staphylococcal enterotoxin-like...
Wed, 03/04/2020 - 03:37
Author(s): Ranju Paudyal, Conor P. O'Byrne, Kimon-Andreas Karatzas The Glutamate Decarboxylase (GAD) system is important for survival of L. monocytogenes and other microorganisms under acidic conditions. Environmental conditions influence the function of the GAD system. Until now, the only conditions known to lead to increased transcription of the GAD system are the stationary phase in rich media...
Sun, 03/01/2020 - 03:23
Author(s): Sam Van Haute, Yaguang Luo, Samantha Bolten, Ganyu Gu, Xiangwu Nou, Patricia MillnerParticulates of harvest debris are common in tomato packinghouse dump tanks, but their role in food safety is unclear. In this study we investigated the survival of Salmonella enterica and the shifts in relative abundance of culturable mesophilic aerobic bacteria (cMAB) as impacted by particulate size...
Thu, 02/13/2020 - 03:36
Author(s): Mayuri Patwardhan, Mark T. Morgan, Vermont Dia, Doris H. D’SouzaAbstractHuman noroviruses (HNoV) and hepatitis A virus (HAV) are predominantly linked to foodborne outbreaks worldwide. As cell-culture systems to propagate HNoV in laboratories are not easily available, Tulane virus (TV) is used as a cultivable HNoV surrogate to determine inactivation. Heat-sensitization of HAV and TV by...
Thu, 02/13/2020 - 03:36
Author(s): M.S.S. Ribeiro, O. Freitas-Silva, I.M. Castro, A. Teixeira, S.H. Marques-da-Silva, A.C.S. Moraes, L.F. Abreu, C.L. SousaAbstractThe objective of this work was to assess the efficacy of sodium hypochlorite and peracetic acid for sanitization of Brazil nuts. To evaluate the natural microbiota of the nuts, the total bacteria and fungi as well as the Aspergillus section Flavi were counted...
Mon, 02/10/2020 - 03:39
Author(s): Danieli Cristina Schabo, Ligia Manoel Martins, Janeeyre Ferreira Maciel, Beatriz Thie Iamanaka, Marta Hiromi Taniwaki, Donald William Schaffner, Marciane MagnaniAbstractThe production of aflatoxin (AF) B1 and B2 was determined during malting of wheat grains artificially contaminated with a toxigenic A. flavus strain (CCDCA 11553) isolated from craft beer raw material. Malting was...
Fri, 02/07/2020 - 03:42
Author(s): Feng Xu, Chongtao Ge, Hao Luo, Shaoting Li, Martin Wiedmann, Xiangyu Deng, Guangtao Zhang, Abigail Stevenson, Robert C.s Baker, Silin TangAbstractThe use of whole genome sequencing (WGS) data generated by short-read sequencing technologies such as the Illumina sequencing platforms has been shown to provide reliable results for Salmonella serotype prediction. Emerging long-read...
Mon, 02/03/2020 - 03:22
Author(s): Alonzo A. Gabriel, Cecile Leah T. Bayaga, Eiric A. Magallanes, Richard Paolo M. Aba, Karen May N. TanguiligAbstractThis study was conducted to address the dearth in works that simultaneously compare the growth and inactivation behaviors of selected pathogens in different milk products. In worst-case scenarios where hygienic practices are absent and heavy microbiological contaminations...
Mon, 01/27/2020 - 03:23
Author(s): Tamirat Tefera Temesgen, Alessandra Barlaam, Kristoffer R. Tysnes, Lucy J. RobertsonAbstractThe potential public health impact of foodborne parasites transmitted via contaminated fresh produces indicates the necessity for robust and reliable laboratory methods for their detection and identification on this infection vehicle. Standardization of methods for detection of common FBP in...
Fri, 01/24/2020 - 03:21
Author(s): Yi Li, Leyi Zhang, Yuqin Hu, Chengji Hong, Airong Xie, Yuejin Wu, Zhihui, Shangguan, Lingling Mei, Biao Zhou, Yanjun Zhang, Lei FangAbstractPathogenic Cronobacter species are responsible for life-threatening illness in neonates. A ten-year comprehensive survey was conducted to examine the population structure and antimicrobial resistant patterns of Cronobacter isolates from food (n=78...
Wed, 01/22/2020 - 03:22
Author(s): Christina Charmpi, David Van der Veken, Emiel Van Reckem, Luc De Vuyst, Frédéric LeroyAbstractAcidification level and temperature modulate the beneficial consortia of lactic acid bacteria (LAB) and coagulase-negative staphylococci (CNS) during meat fermentation. Less is known about the impact of other factors, such as raw meat quality and salting. These could for instance affect the...
Tue, 01/21/2020 - 03:21
Author(s): Virginia Filipello, Lapo Mughini-Gras, Silvia Gallina, Nicoletta Vitale, Alessandro Mannelli, Mirella Pontello, Lucia Decastelli, Marc W. Allard, Eric W. Brown, Sara LomonacoAbstractListeriosis is a foodborne illness characterized by a relatively low morbidity, but a large disease burden due to the severity of clinical manifestations and the high case fatality rate. Increased...
Sun, 01/12/2020 - 03:21
Author(s): Francesca Fanelli, Daniele Chieffi, Angela Di Pinto, Anna Mottola, Federico Baruzzi, Vincenzina FuscoAbstractIn this study the phenotypic and genomic characterization of two Arcobacter butzleri (Ab) strains (Ab 34_O and Ab 39_O) isolated from pre-cut ready-to-eat vegetables was performed. Results provided useful data about their taxonomy and their overall virulence potential with...
Sat, 01/11/2020 - 03:20
Author(s): Nânci Santos-Ferreira, João Rodrigo Mesquita, Enrique Rivadulla, Ângela S. Inácio, Paulo Martins da Costa, Jesus L. Romalde, Maria São José NascimentoAbstractHepatitis E virus (HEV) deriving from manure application runoffs and faecal waste spill over of swine and human origin bypass wastewater treatment plants and contaminate coastal waters. Shellfish bioaccumulate enteric viruses such...
Fri, 01/10/2020 - 03:21
Author(s): Chunling Zhang, Zhiyi Zhao, Gaoji Yang, Yiqi Shi, Yuyu Zhang, Xiaodong Xia, Chao ShiAbstractMicrobial contamination of sprouts occurs easily because of the pathogens present on and in the seeds and the optimal conditions for bacteria growth provided during the germination and sprouting processes. This study examined the effect of using slightly acidic electrolyzed water (SAEW), a ‘...
Wed, 01/08/2020 - 03:24
Author(s): Zhen Jia, Yanhong Liu, Chang-An Hwang, Lihan HuangAbstractClostridium perfringens is a strictly anaerobic pathogen that requires absence of oxygen for its growth in laboratory experiments, which is usually attained by using an anaerobic chamber or anaerobic jars. However, it has been demonstrated that C. perfringens may survive for short periods of times due to its adaptive response to...
Mon, 12/30/2019 - 03:23
Author(s): Caruso Marta, Normanno Giovanni, Miccolupo Angela, Capozzi Loredana, Bonerba Elisabetta, Difato Laura, Mottola Anna, Di Pinto Angela, Santagada Gianfranco, Parisi AntonioAbstractArcobacter butzleri is a zoonotic foodborne pathogen able to cause enteric and extraintestinal diseases. Its occurrence in foodstuff is well recognized worldwide but data on its presence in foods from Southern...
Thu, 12/26/2019 - 03:22
Author(s): Francisco López-Gálvez, Pilar Truchado, Juan A. Tudela, Maria I. Gil, Ana AllendeAbstractThe washing stage from a bell pepper commercial packinghouse was assessed to study some of the critical control points related to bacterial cross-contamination. The washing line comprised two overhead spray bars applications: a pre-wash step without peroxyacetic acid (PAA), and a wash step with PAA...
Thu, 12/26/2019 - 03:22
Author(s): Wenmeng He, Hau Yin ChungThis study aimed to explore the core functional microbiotas related to flavor compounds involving in a naturally fermented soybean curd (plain sufu). Properties such as physicochemical parameters, flavor compounds (17 free amino acids, 21 fatty acids, and 14 aroma volatiles) and microbiota profiles were investigated, and their correlations were explored at 8...
Sat, 12/14/2019 - 03:22
Author(s): Alonzo A. Gabriel, Mikaella Marie C. David, Maxine Sebastianne C. Elpa, Juan Carlos D. MichelenaAbstractThis study determined the efficacy of UV-C as a decontamination process against some foodborne bacteria in dried whole black peppercorns. Artificially-inoculated Salmonella enterica, Escherichia coli O157:H7, Listeria monocytogenes, Pseudomonas aeruginosa, and Staphylococcus aureus...
Thu, 12/12/2019 - 03:24
Author(s): Lin Chen, Xue Zhao, Ji'en Wu, Qin Liu, Xinyi Pang, Hongshun YangAbstractThe metabolic diversity of Escherichia coli strains (non-pathogenic E. coli ATCC 25922, and pathogenic E. coli O157:H7, O26:H11, O45:H2, O103:H11, O111, O121:H19, and O145) was tested using nuclear magnetic resonance. Based on two representative two-dimensional 1H-13C spectra, 38 metabolites were identified in E....
Thu, 12/12/2019 - 03:24
Author(s): Angela Ma, Heather Glassman, Linda ChuiAbstractThe purpose of this study was to identify Escherichia coli isolates obtained from patients experiencing acute gastroenteritis that possess the locus of heat resistance (LHR) and characterize their heat resistance upon exposure to temperatures of 60°C and 71°C. From a collection of 613 clinical E. coli strains, 3 heat resistant E. coli...
Thu, 12/05/2019 - 03:41
Author(s): Angela Assurian, Helen Murphy, Laura Ewing, Hediye Nese Cinar, Alexandre da Silva, Sonia AlmeriaAbstractOutbreaks and sporadic cases of Cyclospora cayetanensis have been linked to consumption of berries. The efficacy of the U.S. Food and Drug Administration (FDA) method for detection of C. cayetanensis was evaluated in fresh berries (blackberries, strawberries, blueberries and mixed...
Thu, 12/05/2019 - 03:41
Author(s): Yan Qi, Yingshu He, Larry R. Beuchat, Wei Zhang, Xiangyu DengAbstractThe common use of gloves in retail practices represents a potential route for cross contamination of foodborne pathogens in fresh-cut produce. Using fresh-cut cantaloupe as a food model, we investigated factors that may influence glove-mediated cross contamination by Listeria monocytogenes and developed mathematical...
Fri, 11/29/2019 - 03:18
Author(s): Kuan-Hung Lu, Yi-Jyun Sheen, Tsui-Ping Huang, Shu-Hui Kao, Chun-Lung Cheng, Cheng-An Hwang, Shiowshuh Sheen, Lihan Huang, Lee-Yan SheenAbstractCooked rice with pork floss (CRPF) wrapped in dried seaweed is one of the most popular ready-to-eat (RTE) foods in many Asian countries, particularly in Taiwan. The products are susceptible to Staphylococcus aureus contamination and temperature...
Wed, 11/27/2019 - 03:23
Author(s): Elisa Gayán, Elise Geens, Daniel Berdejo, Diego García-Gonzalo, Rafael Pagán, Abram Aertsen, Chris W. MichielsAbstractThe growing demand for minimally processed foods with clean labels has stimulated research into mild processing methods and natural antimicrobials to replace intensive heating and conventional preservatives, respectively. However, we have previously demonstrated that...
Wed, 11/27/2019 - 03:23
Author(s): Mathieu Gand, Wesley Mattheus, Nancy H.C. Roosens, Katelijne Dierick, Kathleen Marchal, Sigrid C.J. De Keersmaecker, Sophie BertrandAbstractSalmonella is a major pathogen having a public health and economic impact in both humans and animals. Six serotypes of the Salmonella genus are mentioned in the Belgian and European regulation as to be rapidly excluded from the food chain (EU...
Mon, 11/25/2019 - 03:23
Author(s): Yuanyuan Song, Xuetong FanAbstractIn the present study, we investigated whether cold plasma activation affected the efficacy of aerosolized hydrogen peroxide against S. Typhimurium and L. innocua. Stem scars and smooth surfaces of grape tomatoes, surfaces of Granny Smith apples and Romaine lettuce (both midrib and upper leaves) and cantaloupe rinds were inoculated with two-strain...
Mon, 11/25/2019 - 03:23
Author(s): Min-Jin Jeon, Jae-Won HaAbstractWe evaluated the bactericidal efficacy of the simultaneous application of ultraviolet-A (UV-A) irradiation and fumaric acid (FA) against Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes in apple juice and as well as investigated the effects of this treatment on product quality. Further, we elucidated the...
Sun, 11/24/2019 - 03:37
Author(s): Francesco Fancello, Giacomo L. Petretto, Salvatore Marceddu, Tullio Venditti, Giorgio Pintore, Giacomo Zara, Ilaria Mannazzu, Marilena Budroni, Severino ZaraAbstractContamination by Listeria monocytogenes is a particularly challenging problem in the food industry due to the ability of the bacterium to develop under conditions normally used for food preservation. Here, we show that the...
Sat, 11/23/2019 - 03:22
Author(s): Luca Settanni, Pietro Barbaccia, Adriana Bonanno, Marialetizia Ponte, Rosalia Di Gerlando, Elena Franciosi, Antonino Di Grigoli, Raimondo GaglioAbstractThe present work was carried out to evaluate the microbiological and physicochemical composition of salamis produced with the meat of beef, horse, wild boar and pork. Salami productions occurred under controlled laboratory conditions to...
Sat, 11/23/2019 - 03:22
Author(s): Andrea R. McWhorter, Kapil K. ChousalkarAbstractSingle-aged caged layer hen flocks were monitored for Salmonella over the course of their lifetime. Chicks from both flocks were Salmonella negative at hatch and remained negative during rearing. Pullets were transported to production farms at 15 weeks of age. Pre-population dust swabs collected from both production sheds had a high...
Wed, 11/20/2019 - 03:38
Author(s): Alexander Gill, Tanis McMahon, Forest Dussault, Nicholas PetronellaAbstractWheat flour has recently been recognised as an exposure vehicle for the foodborne pathogen Shiga toxin-producing Escherichia coli (STEC). Wheat flour milled on two sequential production days in October 2016, and implicated in a Canada wide outbreak of STEC O121:H19, was analysed for the presence of STEC in...
Wed, 11/20/2019 - 03:38
Author(s): Laura Nyhan, Nicholas Johnson, Máire Begley, Padraic O’Leary, Michael CallananAbstractIndirect impedance has been used for the detection and enumeration of bacteria, however there is limited data regarding the ability of the method to measure growth and inhibition of microorganisms in food in response to preservatives. The aim of this study was to evaluate the suitability of the...
Wed, 11/20/2019 - 03:38
Author(s): Gabriella Mendes-Oliveira, Amanda J. Deering, M. Fernanda San Martin-Gonzalez, Osvaldo H. CampanellaAbstractAlthough due to their acidity some fruit juices are considered safe, several outbreaks have been reported. For processing fruit juices, microwave heating offers advantages such as shorter come-up time, faster and uniform heating, and energy efficiency. Thus, it could be a...

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